Thytronic DMC3S - Page 55

55
DMC3S - Manual - 08 - 2021
F_59-Char.ai
Inverse time trip characteristics of the rst threshold of the overvoltage protection (59)
1.1
2 3 4
U /U >inv
t U>inv= 100 s
t U>inv= 10 s
t U>inv= 1 s
t U>inv= 0.1 s
1.5
0.01
0.1
1
10
100
1000
10000
t [s]
Note: the set operating time refers to a voltage of U/U>inv = 1.5
t =
tU>inv
·
[(U/U>inv) - 1]
0.5